// CodeMirror, copyright (c) by Marijn Haverbeke and others
// Distributed under an MIT license: http://codemirror.net/LICENSE

(function(mod) {
if (typeof exports == "object" && typeof module == "object") // CommonJS
mod(require("../../lib/codemirror"), require("../xml/xml"), require("../javascript/javascript"), require("../css/css"));
else if (typeof define == "function" && define.amd) // AMD
define(["../../lib/codemirror", "../xml/xml", "../javascript/javascript", "../css/css"], mod);
else // Plain browser env
mod(CodeMirror);
})(function(CodeMirror) {
"use strict";

CodeMirror.defineMode("htmlmixed", function(config, parserConfig) {
var htmlMode = CodeMirror.getMode(config, {name: "xml",
htmlMode: true,
multilineTagIndentFactor: parserConfig.multilineTagIndentFactor,
multilineTagIndentPastTag: parserConfig.multilineTagIndentPastTag});
var cssMode = CodeMirror.getMode(config, "css");

var scriptTypes = [], scriptTypesConf = parserConfig && parserConfig.scriptTypes;
scriptTypes.push({matches: /^(?:text|application)\/(?:x-)?(?:java|ecma)script$|^$/i,
mode: CodeMirror.getMode(config, "javascript")});
if (scriptTypesConf) for (var i = 0; i < scriptTypesConf.length; ++i) {
var conf = scriptTypesConf[i];
scriptTypes.push({matches: conf.matches, mode: conf.mode && CodeMirror.getMode(config, conf.mode)});
}
scriptTypes.push({matches: /./,
mode: CodeMirror.getMode(config, "text/plain")});

function html(stream, state) {
var tagName = state.htmlState.tagName;
if (tagName) tagName = tagName.toLowerCase();
var style = htmlMode.token(stream, state.htmlState);
if (tagName == "script" && /\btag\b/.test(style) && stream.current() == ">") {
// Script block: mode to change to depends on type attribute
var scriptType = stream.string.slice(Math.max(0, stream.pos - 100), stream.pos).match(/\btype\s*=\s*("[^"]+"|'[^']+'|\S+)[^<]*$/i);
scriptType = scriptType ? scriptType[1] : "";
if (scriptType && /[\"\']/.test(scriptType.charAt(0))) scriptType = scriptType.slice(1, scriptType.length - 1);
for (var i = 0; i < scriptTypes.length; ++i) {
var tp = scriptTypes[i];
if (typeof tp.matches == "string" ? scriptType == tp.matches : tp.matches.test(scriptType)) {
if (tp.mode) {
state.token = script;
state.localMode = tp.mode;
state.localState = tp.mode.startState && tp.mode.startState(htmlMode.indent(state.htmlState, ""));
}
break;
}
}
} else if (tagName == "style" && /\btag\b/.test(style) && stream.current() == ">") {
state.token = css;
state.localMode = cssMode;
state.localState = cssMode.startState(htmlMode.indent(state.htmlState, ""));
}
return style;
}
function maybeBackup(stream, pat, style) {
var cur = stream.current();
var close = cur.search(pat), m;
if (close > -1) stream.backUp(cur.length - close);
else if (m = cur.match(/<\/?$/)) {
stream.backUp(cur.length);
if (!stream.match(pat, false)) stream.match(cur);
}
return style;
}
function script(stream, state) {
if (stream.match(/^<\/\s*script\s*>/i, false)) {
state.token = html;
state.localState = state.localMode = null;
return html(stream, state);
}
return maybeBackup(stream, /<\/\s*script\s*>/,
state.localMode.token(stream, state.localState));
}
function css(stream, state) {
if (stream.match(/^<\/\s*style\s*>/i, false)) {
state.token = html;
state.localState = state.localMode = null;
return html(stream, state);
}
return maybeBackup(stream, /<\/\s*style\s*>/,
cssMode.token(stream, state.localState));
}

return {
startState: function() {
var state = htmlMode.startState();
return {token: html, localMode: null, localState: null, htmlState: state};
},

copyState: function(state) {
if (state.localState)
var local = CodeMirror.copyState(state.localMode, state.localState);
return {token: state.token, localMode: state.localMode, localState: local,
htmlState: CodeMirror.copyState(htmlMode, state.htmlState)};
},

token: function(stream, state) {
return state.token(stream, state);
},

indent: function(state, textAfter) {
if (!state.localMode || /^\s*<\//.test(textAfter))
return htmlMode.indent(state.htmlState, textAfter);
else if (state.localMode.indent)
return state.localMode.indent(state.localState, textAfter);
else
return CodeMirror.Pass;
},

innerMode: function(state) {
return {state: state.localState || state.htmlState, mode: state.localMode || htmlMode};
}
};
}, "xml", "javascript", "css");

CodeMirror.defineMIME("text/html", "htmlmixed");

});

